During the Species Abilities phase, each of your armies containing at least one Feral unit at a terrain that contains Earth (yellow) or Air (blue) may recruit a small (1 health) Feral unit to, or promote one Feral unit in, the army.
Feralization
Feral ability
Stampede
Feral ability
When at a terrain that contains both Earth (yellow) and Air (blue), Feral units may count maneuver results as if they were melee results during a counter-attack.